package deadlock.thread;

/**
 * Remarks:
 * Class name :DeadLock
 * Date :2023/2/15 14:13
 * Author:杨俊源
 */
public class DeadLock {
    public static void main(String[] args) {
        MakeUp g1 = new MakeUp(0, "灰姑娘");
        MakeUp g2 = new MakeUp(1, "白雪公主");
        g1.start();
        g2.start();
    }
}

class Lipstick {

}

class Mirror {

}

class MakeUp extends Thread {
    //需要的资源只有一份，用static来保证只有一份
    static Lipstick lipstick = new Lipstick();
    static Mirror mirror = new Mirror();

    //选择
    int choice;
    //使用化妆的人
    String girlName;

    MakeUp(int choice, String girlName) {
        this.choice = choice;
        this.girlName = girlName;
    }

    @Override
    public void run() {
        //化妆
        make();
    }

    //化妆，互相持有对方的锁，就是需要拿到对方的资源
    private void make() {
        if (choice == 0) {
            synchronized (lipstick) {
                System.out.println(this.girlName + "获得口红的锁");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
            synchronized (mirror) {
                System.out.println(this.girlName + "获得镜子的锁");
            }
        } else {
            synchronized (mirror) {
                System.out.println(this.girlName + "获得镜子的锁");
                try {
                    Thread.sleep(2000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
            synchronized (lipstick) {
                System.out.println(this.girlName + "获得口红的锁");
            }

        }
    }
}
